math 117 - common denominator on both sides of the...

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When solving a rational equation what is the first step we must always take? Illustrate with an example how you clear the rational equation of fractions. Solution: The first step is to make the denominator same on each side of the rational equation. For that we will first find lowest common denominator and make the denominator same. Then multiply by
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Unformatted text preview: common denominator on both sides of the equation. Example: 2 1 6 1 2 2 =-+ x x Make the denominator same for each term. LCD is 6. 6 3 6 1 2 6 3 =-+ x x Now multiply by 6 on each side of the equation, we will get 3x + 2x 1 = 3 5x 1 = 3 5x = 3 + 1 5x = 4 Divide by 5 x = 5 4...
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